47. FREQUENCY Request

Function

The external control equipment inquires the Horizontal frequency, Vertical frequency, Horizontal sync polarity, Vertical sync polarity, Mode, and Resolution of the plasma monitor.

Transmission Data

1FH

80H

60H

26H

00H

CKS

 

ACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7FH

60H

80H

26H

0BH

DATA00 to

DATA10 CKS

Horizontal frequency

 

 

 

 

DATA00:

Integer part

 

 

00H: 0 (No signal: 00H)

 

 

 

 

 

 

 

 

 

 

 

 

FFH: 256

DATA01:

One decimal place

 

00H: 0 (No signal: 00H)

 

 

 

 

 

 

 

 

 

 

 

 

 

09H: 9

 

Vertical frequency

 

 

 

 

 

DATA02:

Integer part

 

 

00H: 0 (No signal: 00H)

 

 

 

 

 

 

 

 

 

 

 

 

FFH: 256

DATA03:

One decimal place

 

00H: 0 (No signal: 00H)

 

 

 

 

 

 

 

 

 

 

 

 

 

09H: 9

 

Horizontal sync polarity

 

 

 

DATA04:

00H: –

 

 

 

 

 

 

01H: Positive

 

 

 

 

 

02H: Negative

 

 

 

 

Vertical sync polarity

DATA05: 00H: –

01H: Positive

02H: Negative

MODE

 

 

DATA06: 00H:

No signal

01H to 80H:

RGB signal

Identification number of PC mode

81H:

Video signal

3.58NTSC

82H:

 

4.43NTSC

83H:

 

PAL

84H:

 

PAL- M

85H:

 

PAL- N

86H:

 

PAL60

87H:

 

SECAM

88H:

 

B/W60

89H:

 

B/W50

A0H:

HD/DVD/DTV signal

480I

A1H:

 

480P

A2H:

 

576I

A3H:

 

576P

A4H:

 

720P

A5H:

 

1035I

A6H:

 

1080I

RESOLUTION

 

 

DATA07:

Dots (Low-order byte)

00H: 0 (No signal: 00H)

 

 

 

 

 

 

FFH: 256

DATA08:

Dots (High-order byte)

00H: 257 (No signal: 00H)

 

 

 

 

 

 

FFH

DATA09:

Lines (Low-order byte)

00H: 0 (No signal: 00H)

 

 

 

 

 

 

FFH: 256

DATA10:

Lines (High-order byte)

00H: 257 (No signal: 00H)

FFH

48. Input MODE Request

Function

The display returns the current input information by the external control equipment’ s request.

Transmission Data

1FH

80H

60H

41H

00H

CKS

ACK

 

 

 

 

 

 

 

 

 

 

 

7FH

60H

80H

41H

01H

DATA00 CKS

DATA00:

Input Select

 

 

 

 

01H: Video1

 

 

02H: Video2

 

03H: Video3

 

 

04H: HD (HD1 or DTV or DTV1)

 

05H: RGB1/PC1

 

06H: RGB2/PC2

 

0AH: DVD (DVD1)

 

0CH: HD2 (DTV2)

 

0DH: DVD2

 

 

0EH: RGB3/PC3

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Image 59
Marantz PD5020D manual Frequency Request, Input Mode Request, Horizontal sync polarity